111.79% is the change from 246 to 521
Calculation steps:
[( 521 - 246 ) ÷ 246] x 100 = 111.79%
Formula
Percentage change = [(521 - 246) / 246] x 100
Subtract the new number by the original number
521 - 246 = 275
275 ÷ 246 = 1.1178861788617886
1.1178861788617886 x 100 = 111.79%